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ADP1108 датащи(PDF) 2 Page - Analog Devices |
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ADP1108 датащи(HTML) 2 Page - Analog Devices |
2 / 12 page REV. 0 –2– ADP1108–SPECIFICATIONS Parameter Symbol Conditions Min Typ Max Units QUIESCENT CURRENT IQ Switch Off 90 150 µA QUIESCENT CURRENT, IQ No Load, TA = +25 °C BOOST MODE CONFIGURATION ADP1108-3.3 90 µA ADP1108-5 90 µA ADP1108-12 90 µA INPUT VOLTAGE VIN Step-Up Mode 2.0 12.6 V Step-Down Mode 30 V COMPARATOR TRIP POINT VOLTAGE ADP1108 1 1.20 1.245 1.30 V OUTPUT SENSE VOLTAGE VOUT ADP1108-3.3 2 3.13 3.3 3.46 V ADP1108-5 2 4.75 5.00 5.25 V ADP1108-12 2 11.4 12.0 12.6 V COMPARATOR HYSTERESIS ADP1108 5 12 mV OUTPUT HYSTERESIS ADP1108-3.3 13 30 mV ADP1108-5 20 55 mV ADP1108-12 50 100 mV OSCILLATOR FREQUENCY 14 19 25 kHz DUTY CYCLE Full Load 55 70 78 % SWITCH ON TIME tON ILIM Tied to VIN 25 36 48 µs FEEDBACK PIN BIAS CURRENT VFB = 0 V 25 200 nA SET PIN BIAS CURRENT VSET = VREF 60 130 nA GAIN BLOCK OUTPUT LOW VOL ISINK = 100 µA, V SET = 1.00 V 0.15 0.4 V REFERENCE LINE REGULATION 2.0 V ≤ V IN ≤ 5 V 0.2 0.4 %/V 5 V ≤ V IN ≤ 30 V 0.02 0.075 %/V SWSAT VOLTAGE, STEP-UP MODE VSAT VIN = 3.0 V, ISW = 650 mA 0.5 0.75 V VIN = 5.0 V, ISW = 1 A, 0.8 1.00 V TA = +25 °CV SWSAT VOLTAGE, SAT VIN = 12 V, ISW = 650 mA, TA = +25 °C 1.1 1.5 V STEP-DOWN MODE 1.7 V GAIN BLOCK GAIN AV RL = 100K 3 400 1000 V/V CURRENT LIMIT 220 Ω from I LIM to VIN, TA = +25 °C 500 mA CURRENT LIMIT TEMPERATURE COEFFICIENT –0.3 %/ °C SWITCH OFF LEAKAGE CURRENT Measured at SW1 Pin, TA = +25 °C1 10 µA MAXIMUM EXCURSION BELOW GND VSW2 1SW1 ≤ 10 µA, Switch Off TA = +25 °C –400 –350 mV NOTES 1This specification guarantees that both the high and low trip points of the comparator fall within the 1.20 V to 1.30 V range. 2The output voltage waveform will exhibit a sawtooth shape due to the comparator hysteresis. The output voltage on the fixed output versions will always be within the specified range. 3100 k Ω resistor connected between a 5 V source and the AO pin. All limits at temperature extremes are guaranteed via correlation using standard Quality Control methods. Specifications subject to change without notice. (0 C to +70 C, VIN = 3.0 V unless otherwise noted) |
Аналогичный номер детали - ADP1108 |
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Аналогичное описание - ADP1108 |
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